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What is the magnitude of a point charge due to which the electric field 30 cm away has the magnitude 2 newton/coulomb

What is the magnitude of a point charge due to which the electric field 30 cm away has the magnitude 2 newton/coulomb

Grade:12

1 Answers

Badiuddin askIITians.ismu Expert
148 Points
12 years ago

Dear pallavi

E = k Q /r2

 2    = 9 *109 *Q /(.3)2

 Q = 2 * 10 -11  C

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